Flow and transport calculations of Yucca Mountain using TOUGH2 and FEHM

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Description

This paper presents simulations of unsaturated groundwater flow and radionuclide transport at Yucca Mountain using the numerical codes TOUGH2 and FEHM. The simulations test the proposed methodology for coupling flow and transport in the upcoming Total Systems Performance Assessment and Viability Assessment (TSPA-VA). The simulations also reveal the sensitivity of transport results to different weighting schemes for hydraulic conductivities used in liquid flux calculations. Results indicate that coupling TOUGH2 and FEHM is a viable method for simulating flow and transport at Yucca Mountain when a modified upstream weighting scheme is used to simulate the flow fields.

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12 p.

Creation Information

Ho, C.K. & Robinson, B.A. December 1, 1997.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

This paper presents simulations of unsaturated groundwater flow and radionuclide transport at Yucca Mountain using the numerical codes TOUGH2 and FEHM. The simulations test the proposed methodology for coupling flow and transport in the upcoming Total Systems Performance Assessment and Viability Assessment (TSPA-VA). The simulations also reveal the sensitivity of transport results to different weighting schemes for hydraulic conductivities used in liquid flux calculations. Results indicate that coupling TOUGH2 and FEHM is a viable method for simulating flow and transport at Yucca Mountain when a modified upstream weighting scheme is used to simulate the flow fields.

Physical Description

12 p.

Notes

INIS; OSTI as DE98001683

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  • 1998 international high-level radioactive waste management conference, Las Vegas, NV (United States), 11-14 May 1998

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  • Other: DE98001683
  • Report No.: SAND--97-2710C
  • Report No.: CONF-980516--
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 650101
  • Archival Resource Key: ark:/67531/metadc703948

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Creation Date

  • December 1, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • May 18, 2016, 6:03 p.m.

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Ho, C.K. & Robinson, B.A. Flow and transport calculations of Yucca Mountain using TOUGH2 and FEHM, article, December 1, 1997; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc703948/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.